Example of the registering method for pointing 1 of NGC 0496 (ID 45). Left panel: flux map in r-band for the PPak fibers. Central panel: predicted SDSS flux for each CALIFA fiber estimated using 2.7″ diameter apertures and adopting the PPak layout projected on the SDSS image for the best match according to the χ2 map. Note that the PPak layout is not to scale, i.e., relative distances between adjacent fibers have been decreased for the sake of clarity. Right panel: χ2 map of the offsets (best offset marked with a white dot).
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